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Jan 10th, 2023
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Joined: Feb 2012
Posts: 8
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OP
Joined: Feb 2012
Posts: 8 |
I'm going after the watershield/dollar bonnet in my pond in a few weeks during green up. I ordered some Polaris and methylated seed oil surfactant. I've read the label, but it isn't all that clear to me. I'm trying to spray about 1/2 an acre in a four gallon backpack sprayer. I could bust out my 25 gallon sprayer, but I think the backpack will be easier, if slightly more time consuming, as I will have to get out in john boat to get to some. Thanks.
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Joined: Feb 2012
Posts: 8
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OP
Joined: Feb 2012
Posts: 8 |
no one knows? The label isn't per gallon, so it's not that helpful. Thanks.
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Joined: Apr 2002
Posts: 15,151 Likes: 491
Moderator
Ambassador
Field Correspondent Lunker
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Moderator
Ambassador
Field Correspondent Lunker
Joined: Apr 2002
Posts: 15,151 Likes: 491 |
Instructions for water lily indicate a 1% solution of Polaris which equates to 1.3oz per gallon of water. For some of the other tougher vegetation such as spatterdock, they suggest a 1.5% solution which is 1.9oz per gallon of water. Instructions suggest good even coverage of the floating leaves. I consider water shield a tougher to kill plant so I would use the 1.9oz per gallon rate. Return and let us know how well it worked to kill watershield.
aka Pond Doctor & Dr. Perca Read Pond Boss Magazine -
America's Journal of Pond Management
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